Chemistry Practice MCQ Page 12

Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 1258   The using of fuels is the basis that burning of carbon in oxygen produces
  1. heat
  2. energy
  3. light
  4. electricity
Question: 1259   The burning of methane in oxygen is used in
  1. flames
  2. automobiles
  3. kitchens
  4. engines
Question: 1260   Acetylene when burnt in oxygen produces heat and
  1. electricity
  2. light
  3. current
  4. mechanical work
Question: 1261   the mechanical work obtained from automobile engines is due to
  1. combustion process
  2. oxidation process
  3. reduction process
  4. catalytic process
Question: 1262   When a part of heat of reaction is used in generating electric current the device is called
  1. cell
  2. electrolytic cell
  3. galvanic cell
  4. dry cell
Question: 1263   The branch of chemistry that deals with thermal energy changes in chemical reactions is called
  1. thermo
  2. thermo chemistry
  3. dynamics
  4. thermodynamics
Question: 1264   Different substances have different amounts of
  1. heat
  2. molecules
  3. energy
  4. masses
Question: 1265   When in a chemical reaction heat is evolved it is called
  1. spontaneous
  2. exothermic
  3. natural
  4. endothermic
Question: 1266   In the endothermic reactions, the heat is
  1. absorbed
  2. evolved
  3. generated
  4. released
Question: 1267   Water placed in closed container at constant temperature
  1. evaporates
  2. is at equilibrium
  3. condenses
  4. reacts
Question: 1268   Water placed in closed container at constant temperature has equilibrium of the type
  1. chemical
  2. static
  3. dynamic
  4. physical
Question: 1269   In a chemical equation, a double arrow indicates
  1. reversible reaction
  2. complete reaction
  3. incomplete reaction
  4. equilibrium

Answers to the questions of Chemistry on this page

Following list gives the correct choice for the answer of the Chemistry mcqs.
1258 . A       1259 . C       1260 . B       1261 . A       1262 . C       1263 . B       1264 . C       1265 . B       1266 . A       1267 . B       1268 . C       1269 . D      

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